40078796 has 12 divisors (see below), whose sum is σ = 70440552. Its totient is φ = 19952928.

The previous prime is 40078793. The next prime is 40078813. The reversal of 40078796 is 69787004.

40078796 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (40078793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20570 + ... + 22433.

It is an arithmetic number, because the mean of its divisors is an integer number (5870046).

Almost surely, 2^40078796 is an apocalyptic number.

It is an amenable number.

40078796 is a deficient number, since it is larger than the sum of its proper divisors (30361756).

40078796 is a wasteful number, since it uses less digits than its factorization.

40078796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43240 (or 43238 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 40078796 is about 6330.7816263081. The cubic root of 40078796 is about 342.2196074805.

The spelling of 40078796 in words is "forty million, seventy-eight thousand, seven hundred ninety-six".